jayfoad wrote: > This is not a simplifying pass, it is making the IR more complicated. We have > to do hacks like this to prevent later more profitable combines from needing > to parse out expanded IR:
Fair enough, makes sense. I just want to make sure the justification is properly understood and explained, preferably in the commit message. > https://github.com/llvm/llvm-project/blob/fa5d7c926f5f571397eb1981649198136f1d6a92/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp#L2332 I only disagree with the "like a normal combiner" part of that comment :) https://github.com/llvm/llvm-project/pull/145484 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits